Chapter 2- linear equasions

Question 1

What is a conditional?

Answer 1

one solution, final line is x=a number

Question 2

Identity

Answer 2

Infinite solutions set { all real numbers}, final line is true such as 3=3

Question 3

Contradictor

Answer 3

None, no solution, final line is false 0=3

Question 4

Solving for the given variable fractions

Answer 4

multiply by the inverse operation for if the variable is on top or bottom

Question 5

% problems, partial amount over whole amount

Answer 5

= percent (rep as a decimal)

Question 6

from/than means what?

Answer 6

put term after the operator

Question 7

finding the perimeter of a rectangle equation?

Answer 7

P=2L+2W

Question 8

perimeter of a triangle?

Answer 8

S+M+L=P

Question 9

How do you solve 5

Answer 9

1. 53

3. 3x-4

Question 10

Linear equalities on one variable, why do you flip the sign?

Answer 10

whenever you multiply or divide by a negative

Question 11

what is intersection?

Answer 11

all of the elements included in both sets
ex. A={1,2,3,4,} B={2,4,6}
find a intersected with B
{2,4}

Question 12

what is union?

Answer 12

All of the elements represented in either of the four sets.
ex. A={1,2,3,4,} B={2,4,6}
find a united with B
{1,2,3,4,5

Question 13

and compound inequality

Answer 13

when brackets are facing each other, like intersection

Question 14

OR inequalities

Answer 14

Brackets or parentheses are facing away from each other like union